Observation of a Mobile Molybdenum Carbonyl Fragment on γ-Alumina by Solid-State Carbon-13 Nuclear Magnetic Resonance Spectroscopy

Thomas H. Walter; Arthur Thompson; Max Keniry; Theodore L. Brown; H. S. Gutowsky; Eric Oldfield; Sumio Shinoda

doi:10.1021/ja00212a011

Observation of a Mobile Molybdenum Carbonyl Fragment on γ-Alumina by Solid-State Carbon-13 Nuclear Magnetic Resonance Spectroscopy

Thomas H. Walter, Arthur Thompson, Max Keniry, Theodore L. Brown, H. S. Gutowsky, Eric Oldfield, Sumio Shinoda

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

High-resolution solid-state carbon-13 nuclear magnetic resonance spectroscopic studies of a chemisorbed molybdenum hexacarbonyl fragment on γ-alumina are described. It is shown that chemical shift anisotropy information, obtained by analysis of spinning sideband intensities in magic-angle spinning spectra, can be used to study the mobilities of chemisorbed metal carbonyl fragments. Evidence is presented for very facile rotation of a Mo(CO)₅(ads) species about the surface-Mo bond.

Original language	English (US)
Pages (from-to)	1065-1068
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	110
Issue number	4
DOIs	https://doi.org/10.1021/ja00212a011
State	Published - Feb 1988

ASJC Scopus subject areas

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja00212a011

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AU - Walter, Thomas H.

AU - Thompson, Arthur

AU - Keniry, Max

AU - Brown, Theodore L.

AU - Gutowsky, H. S.

AU - Oldfield, Eric

AU - Shinoda, Sumio

PY - 1988/2

Y1 - 1988/2

N2 - High-resolution solid-state carbon-13 nuclear magnetic resonance spectroscopic studies of a chemisorbed molybdenum hexacarbonyl fragment on γ-alumina are described. It is shown that chemical shift anisotropy information, obtained by analysis of spinning sideband intensities in magic-angle spinning spectra, can be used to study the mobilities of chemisorbed metal carbonyl fragments. Evidence is presented for very facile rotation of a Mo(CO)5(ads) species about the surface-Mo bond.

AB - High-resolution solid-state carbon-13 nuclear magnetic resonance spectroscopic studies of a chemisorbed molybdenum hexacarbonyl fragment on γ-alumina are described. It is shown that chemical shift anisotropy information, obtained by analysis of spinning sideband intensities in magic-angle spinning spectra, can be used to study the mobilities of chemisorbed metal carbonyl fragments. Evidence is presented for very facile rotation of a Mo(CO)5(ads) species about the surface-Mo bond.

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Observation of a Mobile Molybdenum Carbonyl Fragment on γ-Alumina by Solid-State Carbon-13 Nuclear Magnetic Resonance Spectroscopy

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